CN2715327Y - Electromagnet driving device and electromagnetic relay - Google Patents
Electromagnet driving device and electromagnetic relay Download PDFInfo
- Publication number
- CN2715327Y CN2715327Y CNU2004200659792U CN200420065979U CN2715327Y CN 2715327 Y CN2715327 Y CN 2715327Y CN U2004200659792 U CNU2004200659792 U CN U2004200659792U CN 200420065979 U CN200420065979 U CN 200420065979U CN 2715327 Y CN2715327 Y CN 2715327Y
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- mentioned
- movable member
- electromagnetic relay
- iron plate
- fulcrum
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
- H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
- H01H1/28—Assembly of three or more contact-supporting spring blades
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/026—Details concerning isolation between driving and switching circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion
Abstract
The utility model provides an electromagnetic relay, which can assure stable mechanical endurance. The electromagnetic relay is composed by that a movable part (5) which can center a supporting point P to rotatablely carry out supporting rotates positively and reversely by the excitation and deperming of an electrical magnet component (4), with a rotating supporting point centered. A pluggable unit (3) which can carry out supporting by linear moving in forward and backward directions and a pluggable unit copulae (26) arranged at the end part of a movable part (5) are joined, the pluggable unit reciprocates forward and backward by the positive and reverse rotating of the movable part (5), a contact point mechanism (2) is switched to be operated, and simultaneously, under the neutral condition that the movable part (5) becomes a parallel posture relative to the electrical magnet component (4), imaginary lines connecting the pluggable unit copulae (26) of the movable part (5) and the rotating supporting point P of the movable part (5) are arranged by means of approximate orthogonality relative to the moving direction A of the pluggable unit (3).
Description
Technical field
The utility model relates to solenoid actuated device and electromagnetic relay.
Background technology
Electromagnetic relay, for example, as the multi-electrode type electromagnetic relay, known structure has, and by the excitatory and demagnetization of electromagnet component, makes the positive and negative rotation of the movable member that is rotatably supported on the base, but engage with the plug-in unit that is bearing in above-mentioned base at the fore-and-aft direction straight line movably as moving body, positive and negative rotation by movable member moves back and forth the plug-in unit front and back, and handover operation is assembled in the contact mechanism (for example, with reference to patent documentation 1) on the base.
In this electromagnetic relay, as shown in figure 24, the upper end of the movable member 42 that around fulcrum q, is configured freely to rotate with electromagnet component 41 subtends ground, the prominent flat tab 43 of establishing is as the junction surface, and this tab 43 engages with the conjugate foramen 45 as the junction surface of the front end that is formed on plug-in unit 44.And, establish fulcrum 47 in that the left and right sides lateral surface of the resin parts main body 46 that constitutes movable member 42 is integrally prominent, be rotatably supported in simultaneously on the not shown base.
The structure of movable member 42 is, by the excitatory or demagnetization of electromagnet component 41, just or counter-rotation, thus, plug-in unit 44 moves in rectilinear direction, and switches not shown contact mechanism around fulcrum q.
The structure of movable member 42 is, contacts with yoke 49 by magnetic screen projection 48, makes the iron plate 50 of this movable member 42 and yoke 49 form predetermined distances.
Also have, in this Figure 24, represent the reset mode of movable member 42, represent operate condition with imaginary line with solid line.
In this electromagnetic relay, as shown in figure 25, be in the neutral condition of parallel posture at movable member 42 relative electromagnet components 42, with respect to the tab 43 at the junction surface of plug-in unit 44, to electromagnet component 41 sides offset distance W and fulcrum 47 is set only.
[patent documentation 1] Japanese patent laid-open 2000-285782 communique
In the electromagnetic relay that constitutes like this, movable member 42 carries out in fulcrum circular motion on every side corresponding to excitatory, demagnetization, relative therewith, plug-in unit 44 carries out the rectilinear motion of horizontal direction, and the circular motion direction at the junction surface of the plug-in unit 44 of movable member 42 (tangential direction of circular arc) and the linear movement direction of plug-in unit 44 are inconsistent, therefore, the skew of the position between movable member 42 and the plug-in unit 44 is inevitable, thus, at the junction surface of movable member 42 and plug-in unit 44 or the rotating fulcrum q of movable member 42 undesirable stress or slip take place.
The utility model content
The utility model forms in view of this truth, and its purpose is to provide a kind of solenoid actuated device and the electromagnetic relay that can guarantee stable mechanical endurance.
In the utility model,, constitute as described below in order to reach above-mentioned purpose.
That is, electromagnetic relay of the present utility model has electromagnet component, movable member, moving body and contact mechanism; This electromagnet component has the iron core of being reeled by coil; This movable member has the iron plate that is attracted, deviates from by the magnetic pole piece of this electromagnet component, and the excitatory and demagnetization by above-mentioned electromagnet component, is the positive and negative rotation in center with the rotating fulcrum; This moving body engages with this movable member, and corresponding to above-mentioned positive and negative rotation, moves back and forth in rectilinear direction; This contact mechanism is switched operation according to moving of above-mentioned moving body, it is characterized in that: be in the neutral condition of parallel posture with respect to above-mentioned electromagnet component at above-mentioned movable member, the imaginary line that connects the above-mentioned rotating fulcrum of the junction surface of above-mentioned movable member and above-mentioned moving body and above-mentioned movable member, with respect to the moving direction of above-mentioned moving body roughly quadrature mode and set.
Here, so-called movable member is meant with respect to the neutral condition that electromagnet component is parallel posture, movable member does not all have in positive direction or reciprocal any one direction, and is parallel state with respect to electromagnet component with respect to the moving body that moves in rectilinear direction.
According to the utility model, in neutral condition, because the rotating fulcrum of movable member is with respect to the not skew of junction surface of this movable member and moving body, so movable member becomes roughly consistent with the circular motion direction (tangential direction of circular arc) at the junction surface of moving body and the linear movement direction of moving body.Thus, during from the positive and negative rotation of neutral condition, the offset that reduces and produce between the moving body that rectilinear direction moves can suppress the generation of uneven wear in above-mentioned junction surface and the rotating fulcrum portion, can guarantee stable mechanical endurance at movable member.
In execution mode of the present utility model, the above-mentioned junction surface of above-mentioned movable member and above-mentioned moving body is set in the roughly centre position of the above-mentioned positive and negative rotation path on the imaginary circumference that above-mentioned rotating fulcrum with this movable member is the center.
According to this execution mode, become evenly to positive direction and reciprocal actuating length from the centre position of movable member, can guarantee stable mechanical endurance.
In preferred implementation of the present utility model, above-mentioned movable member is supported on the resinous base rotationally by the metallic fulcrum.
According to this execution mode owing to become the slip of metal and interlaminar resin, so with the mutual slip ratio of resin, can be reduced in the resistance to sliding of rotating fulcrum, can seek the stabilisation of rotational characteristic, can reduce wearing and tearing simultaneously, and further improve mechanical endurance.
In an execution mode of the present utility model, above-mentioned movable member is installed in above-mentioned iron plate on the resinous article body, simultaneously, with the metal above-mentioned fulcrum that interts at the pair of right and left axle support that is arranged at above-mentioned base, connect from the outstanding mode of above-mentioned article body with its two ends and to be installed on this article body, embed the subtend position of above-mentioned iron plate at the recess that is formed at above-mentioned fulcrum.
According to this execution mode, owing to connect movable member and the junction surface of moving body and the imaginary line of rotating fulcrum, with with respect to the moving direction of moving body roughly quadrature mode and set, so, even on fulcrum and iron plate, produce repeating part, also owing to form recess and in above-mentioned recess, embed iron plate at the metallic fulcrum, even so under the state that repeats with iron plate, also can on article body, connect fulcrum is installed, need not change to and obtain required attraction characteristic and necessary dimensionss in the past such as iron plate position, can constitute the electromagnetic relay of the specification that has improved mechanical endurance.
In other execution mode of the present utility model, at the inner face of the pair of right and left axle support that is arranged at above-mentioned base, be equipped with can with the rib of above-mentioned resinous article body sliding contact.
According to this execution mode, when the positive and negative rotation of movable member, the article body side that becomes movable member contacts at the apex separated time of rib with the axle support, compares with the situation that axle support face contacts with the side that rib, article body are not set, and reduces frictional resistance and also improves sliding.
In another other execution mode of the present utility model, be arranged on the pair of right and left axle support of above-mentioned base, form the inserting hole of interspersed above-mentioned fulcrum, the outside of the above-mentioned axle support of above-mentioned inserting hole forms big footpath, and the inboard of this support is made into step and forms path.
According to this execution mode, be made into step in the inboard of axle support and dwindle into path owing to interting the inserting hole of fulcrum, thus be collected in stage portion from the field trashes such as dust in the outside, and can prevent to be immersed in the slipper of fulcrum.
In other execution mode of the present utility model, be formed with the ditch portion that cooperates with the recess of above-mentioned fulcrum at above-mentioned iron plate.
According to this execution mode, by making with the recess of fulcrum and the structure of the ditch portion cooperation that is arranged at iron plate, under the big situation of the amount of repetition of iron plate and fulcrum, also can and be formed at the concave depth of fulcrum and correspondence according to the degree of depth of iron plate ditch portion, and, owing to can make and have only the degree of depth of iron plate ditch portion shallow like that being formed at concave depth on the fulcrum, so can guarantee the intensity of fulcrum self.
In another other execution mode of the present utility model, with the copulational protuberance that has circular-arc outer peripheral face and extend in parallel with above-mentioned fulcrum, constitute the junction surface of above-mentioned movable member and above-mentioned moving body, and on above-mentioned moving body, form conjugate foramen, between the inner plane of the subtend of this conjugate foramen, insert above-mentioned copulational protuberance.
According to this execution mode, owing to engage the circular-arc outer peripheral face of supporting copulational protuberance from front and back at the inner plane of conjugate foramen, so the contact area of copulational protuberance and conjugate foramen inner face diminishes, can reduce resistance to sliding simultaneously, improve the mechanical endurance of this junction.
In preferred implementation of the present utility model, in at least on any one of above-mentioned magnetic pole piece and above-mentioned iron plate, be provided with the magnetic shield panel that is made of nonmagnetic metal, the magnetic screen between the two when this magnetic shield panel is used to be defined in above-mentioned iron plate and is attracted by above-mentioned magnetic pole piece at interval.
According to this execution mode, owing to be provided with the magnetic shield panel that constitutes by nonmagnetic metal, so compared with former resinous magnetic screen projection, can reduce magnetic screen deviation at interval, cause by contacting repeatedly simultaneously beat to go out is not easy to take place, and attraction characteristic, particularly attraction peak value are stablized.
In addition, by preparing that the different multiple magnetic shield panel of thickness is arranged, can be corresponding to the different all size of attraction characteristic, and select and suitable magnetic shield panel is used in assembling.
In an execution mode of the present utility model, above-mentioned magnetic shield panel with the mode of above-mentioned magnetic pole piece subtend, be installed on the above-mentioned iron plate of above-mentioned movable member, be formed with the edge part of above-mentioned magnetic shield panel contact at above-mentioned magnetic pole piece.
According to this execution mode, because the magnetic shield panel that is installed on the iron plate always is being formed at the edge part contact of magnetic pole piece, thus can not make the magnetic screen spacing bias because of the deviation of contact position, thus magnetic screen interval attraction stability of characteristics.
In other execution mode of the present utility model, above-mentioned magnetic shield panel has installing hole, by this installing hole by riveted and fixed on above-mentioned iron plate, above-mentioned magnetic shield panel is bent processing by the mode of above-mentioned riveted joint to be adjacent to above-mentioned iron plate.
According to this execution mode, magnetic shield panel is owing to be implemented bending machining in advance, the stress that applies on iron plate the time according to riveted and fixed, being bent manufactured part prolongs along iron plate and is adjacent to, therefore, the end that can not produce magnetic shield panel floats from iron plate, and can not guarantee the unfavorable condition that sufficient magnetic screen is so at interval.
In another other execution mode of the present utility model, above-mentioned magnetic shield panel has adjusts above-mentioned magnetic screen adjustment part at interval.
According to this execution mode,,, can access desirable attraction characteristic, particularly the attraction peak value by adjusting magnetic screen at interval with the adjustment part can not get under the situation of desirable attraction characteristic because of the deviation of part etc.
In other execution mode of the present utility model, above-mentioned adjustment part is the bend of different steps that is arranged at the magnetic pole piece subtend position of above-mentioned magnetic shield panel.
According to this execution mode, the height of the different steps of the bend by adjusting different steps can be adjusted magnetic screen at interval, thus, can adjust desirable attraction characteristic, particularly attraction peak value.
In the utility model one execution mode, be formed with the identification that is used to discern its thickness at above-mentioned magnetic shield panel and use the hole.
According to this execution mode,, can distinguish whether be the magnetic shield panel of desirable thickness by use the number or the position in hole with visual or optical pickocff monitors identified.Thereby the combined error in the time of will selecting to use multiple magnetic shield panel is easily prevented trouble before it happens, and effective to the raising of productivity ratio.
In other execution mode of the present utility model, be processed to length corresponding to the attraction characteristic corresponding with this electromagnetic relay specification as the yoke of above-mentioned magnetic pole piece.
According to this execution mode,, can access corresponding to attraction characteristic specification, desirable by processing yoke and adjusting its length.
In addition, electromagnetic actuator device of the present utility model has electromagnet component, movable member and moving body; This electromagnet component has the iron core of being reeled by coil; This movable member has the iron plate that is attracted, deviates from by the magnetic pole piece of this electromagnet component, and the excitatory and demagnetization by above-mentioned electromagnet component, is the positive and negative rotation in center with the rotating fulcrum; This moving body and this movable part splice grafting close, and corresponding to above-mentioned positive and negative rotation, move back and forth in rectilinear direction, simultaneously, be in the neutral condition of parallel posture with respect to above-mentioned electromagnet component at above-mentioned movable member, the imaginary line that connects the above-mentioned rotating fulcrum of the junction surface of above-mentioned movable member and above-mentioned moving body and above-mentioned movable member, with respect to the moving direction of above-mentioned moving body roughly quadrature mode and set.
According to the utility model, in neutral condition, because the circular motion direction at movable member and the junction surface of moving body and the linear movement direction of moving body are roughly consistent, so at movable member during from the positive and negative rotation of neutral condition, the offset that can reduce and between the moving body that rectilinear direction moves, produce, and be suppressed at the generation of uneven wear in above-mentioned junction surface and the rotating fulcrum portion, can guarantee stable mechanical endurance.
In execution mode of the present utility model,, be set in above-mentioned rotating fulcrum with this movable member and be the roughly centre position of the above-mentioned positive and negative rotation path on the imaginary circumference at center with the above-mentioned junction surface of above-mentioned movable member and above-mentioned moving body.
According to this execution mode, become homogeneous from the neutral position of movable member to positive direction and reciprocal actuating length, can guarantee stable mechanical endurance.
In preferred implementation of the present utility model, in at least on any one of above-mentioned magnetic pole piece and above-mentioned iron plate, be provided with the magnetic shield panel that is made of nonmagnetic metal, the magnetic screen between the two when this magnetic shield panel is used to be defined in above-mentioned iron plate and is attracted by above-mentioned magnetic pole piece at interval.
According to this execution mode, with former resinous magnetic screen projection relatively, can reduce magnetic screen deviation at interval, beat to go out and be not easy to take place by what contact repeatedly caused simultaneously, attraction characteristic, particularly attraction peak value are stablized.
According to the utility model, in neutral condition, owing to can make the linear movement direction of the direction of movable member and the circular motion at the junction surface of moving body and moving body roughly consistent, so when the positive and negative rotation of movable member, the offset that can reduce and between the moving body that rectilinear direction moves, produce, thus, the generation of uneven wear in the rotating fulcrum portion of the junction surface of movable member and moving body and movable member can be suppressed, stable mechanical endurance can be guaranteed.
Description of drawings
Fig. 1 is electromagnetic relay the longitudinal section under erasing state relevant with the utility model.
Fig. 2 is the end view of wanting portion that is illustrated in the action neutral condition.
Fig. 3 is the end view of wanting portion that is illustrated in the excitatory state.
Fig. 4 wants portion's enlarged drawing among Fig. 1.
Fig. 5 is the longitudinal section of movable member.
Fig. 6 is the stereogram of electromagnet component.
Fig. 7 is the stereogram of movable member.
Fig. 8 is the exploded perspective view of movable member.
Fig. 9 is the movable member and the stereogram of the plug-in unit of engages drive therewith.
Figure 10 is the stereogram of the magnetic shield panel of other embodiment of expression.
Figure 11 is that the longitudinal section of wanting portion under the situation of magnetic shield panel of other embodiment has been installed in expression.
Figure 12 is the stereogram that constitutes the fixed contact piece of contact mechanism.
Figure 13 is the part enlarged drawing of the magnetic shield panel of Figure 10.
Figure 14 is the figure of expression attraction characteristic.
Figure 15 is the figure of the yoke length of expression electromagnet component.
But Figure 16 is the part enlarged drawing of the fixed projection of expression upper end of moving contacting plate and plug-in unit.
Figure 17 is the figure corresponding to Figure 16 of other embodiment.
Figure 18 is near the part enlarged drawing of the axle support of seeing the base of free rotation ground supporting fulcrum from the front side.
Figure 19 is the stereogram of the inner face of expression datum axle support.
Figure 20 is the stereogram in the outside of expression datum axle support.
Figure 21 is that expression is with the end view of magnetic shield panel riveted and fixed at the front and back of iron plate state.
Figure 22 is the front view of the movable member 5 of other execution mode of the utility model.
Figure 23 is the cutaway view along the A-A line of Figure 22.
Figure 24 is that the electromagnetic relay before the expression is wanted the end view of portion.
Figure 25 is the end view of the neutral condition of expression Figure 24.
1 base, 2 contact mechanisms
3 plug-in units, 4 electromagnet components
5 movable members, 16 yokes
21 article body, 22 iron plates
24 magnetic shield panels, 25 fulcrums
26 27 junction surfaces, plug-in unit junction surface (copulational protuberance) (conjugate foramen)
The hole is used in 30 identifications of 28 rivet pin
31 recesses, 32 shallow ridges
60 support 61 inserting holes
A plug-in unit moving direction e edge part
The cylindric outer peripheral face of p fulcrum s
The L imaginary line
Embodiment
Below, embodiment of the present utility model is described with reference to the accompanying drawings.
The vertical profile end view of representing the electromagnetic relay relevant at Fig. 1 with the utility model.
This electromagnetic relay is by the base 1 of ester moulding; Be assembled in the multi-electrode type contact mechanism 2 of base 1; But the fore-and-aft direction linear reciprocation guide movably be bearing in base top switch the plug-in unit 3 of the moving body of usefulness as contact; Assembling is fixed on the electromagnet component 4 of the leading section (left part among the figure) of base 1; Being the center free rotation ground supporting with horizontal fulcrum p drives the movable member 5 of usefulness at base 1 and with the plug-in unit that electromagnet component 4 subtends are equipped with; Embedding is installed in protective cover 6 formations such as grade of base 1 outside the top, the following describes the detailed construction of each several part.And in the explanation afterwards, the left and right directions among the figure is called fore-and-aft direction, and the surface of paper and back side direction are called left and right directions.
Central authorities are upright about above-mentioned base 1 is provided with next door 1a, is equipped with contact mechanism 2 respectively in the both sides of this next door 1a.Because the above-mentioned contact mechanism 2 that the left and right sides of next door 1a is equipped with is same specifications, so the contact mechanism 2 of side at the moment shown in Figure 1 only is described.But this routine contact mechanism 2 is by the fixed contact piece 7 and the moving contacting plate 8 that constitute 1 group normally-closed circuit, and but the fixed contact piece 9 and the moving contacting plate 10 that constitute 2 groups normal open circuit constitute, make progress respectively to be pressed into is fixed on base 1 cantilever-shapedly, and terminal 7a, the 8a that stretches out from each contact chip 7,8,9,10,9a, 10a are outstanding below base 1 simultaneously.
Also have, constitute the fixed contact piece 9 of normally-closed circuit, as shown in figure 12, be formed with respectively down thereon and be pressed into projection 9b and forging is pressed into rib 9c, with 2 bearing states more stably at prescribed form and have big bearing strength and be pressed into and be fixed on the base 1.In this wise, fixed contact piece 9 is pressed into projection 9b and is pressed into rib 9c owing to the position of the above-below direction that staggers in front and back is provided with, so when fixed contact piece 9 is inserted into base 1, does not tilt and improve assembleability.
Plug-in unit 3 slidably is directed being bearing in the front and back in the upper end of next door 1a movably, but about the upper end of each moving contacting plate 8,10 in the fixed bearing contact mechanism 2 on the prominent inconsistently fixed part 11 of establishing a pair of fixed projection 3a and constituting, front and back by plug-in unit 3 move back and forth, but make each moving contacting plate 8,10 in the front and back displacement, and carry out the contact switching.
But the structure of the upper end of each moving contacting plate 8,10 is, shown in the part enlarged drawing of Figure 16, and top more outstanding than fixed projection 3a, the front and back by plug-in unit 3 move back and forth, but fixed projection 3a pushes the positive and negative of each moving contacting plate 8,10.
Thus, for example as shown in figure 17, but the upper end of each moving contacting plate 8,10 is top lower than fixed projection 3a also, front and back by plug-in unit 3 move back and forth, but fixed projection 3a pushes the edge part of each moving contacting plate 8,10 upper end, as structure, but the edge part by metal each moving contacting plate 8,10 upper end does not have the situation of resinous fixed projection 3a wearing and tearing.
And, at plug-in unit 3, as shown in Figure 1, be fixed with from the upper end of the base 1 upright back-moving spring of establishing 12, by the elastic force of this back-moving spring 12, always give the reset force of plug-in unit 3 to certain direction (the place ahead) of electromagnet component 4.
Above-mentioned electromagnet component 4 is, also as shown in Figure 6, be embedded in coiling coil 15 on unshakable in one's determination 13 the resinous bobbin 14 outside, connect the structure of the yoke 16 at the two poles of the earth simultaneously in unshakable in one's determination 13 the riveted joint of two ends up and down, be equipped with above-mentioned movable member 5 in the crooked end subtend of each yoke 16.
Below base 1, be equipped with the pair of terminal 17 that is connected with coil 15, when blocking to coil 15 energising non-excitatory, as shown in Figure 1, the rotation that resets forwardly of top in the movable member 5, to coil 15 energising excitatory the time, as shown in Figure 3, rotate in the wings on the top of movable member 5, and carry out the contact switching.
Owing to constitute fulcrum 25 by metal as described above, so the slip between the axle support 60 of fulcrum 25 when movable member 5 rotates and base 1 is the slip of metal and interlaminar resin, with the mutual slip ratio of resin, reduce resistance to sliding, can reduce wear, and improve mechanical endurance.
And then in this embodiment,, followingly constitute like that for the sliding between the axle support 60 of the article body 21 that improves movable member 5 and base 1.
That is, Figure 18 is near the part enlarged drawing of watching from the front side axle support 60 of base 1, and the axle support 60 free rotation ground supporting fulcrums 25 of this base 1, Figure 19 are the figure of inboard of the axle support 60 of expression base 1.
Be formed with the inserting hole 61 that fulcrum 25 interts at axle support 60, be equipped with a pair of rib 62 that prolongs at fore-and-aft direction up and down at the inserting hole 61 of these support 60 inner faces, thus, when movable member 5 positive and negative rotations, the side of the article body 21 of movable member 5 contacts at the apex separated time of rib 62 with axle support 60.
Thereby, and rib being set not, the situation that the side of the article body 21 of movable member 5 contacts with 60 of supports of axle relatively reduces frictional resistance, and improves sliding.
In addition, in this embodiment, as shown in figure 20, be formed with step around the inserting hole 61 in axle support 60 outsides of base 1, at the inside and outside inserting hole 61 that connects axle support 60, the inboard of axle support 60 is because step, so dwindle into path, be formed with the outside with big footpath on the other hand.
Because the stage portion 63 in this outside, the field trash of aliunde dust etc. is collected, and suppresses to invade the slipper of fulcrum 25, thus, can prevent that sliding from worsening.
In addition, in this embodiment,, improve assembling because iron plate 22 and fulcrum 25 are configured in forming metal mould and can inlay shaping.
In this embodiment, as shown in Figure 7 and Figure 8, the upper end in the article body 21 that constitutes movable member 5 integrally is formed with the copulational protuberance 26 that becomes the plug-in unit junction surface.Be formed with the parallel prolongation of fulcrum p towards front and back and become roughly columned circular-arc outer peripheral face s at this copulational protuberance 26, the front end that this copulational protuberance 26 is embedded in above-mentioned plug-in unit 3 shown in Figure 9 is as in the elongated dihedral conjugate foramen 27 in the left and right sides that the junction surface forms, and the positive and negative rotation by movable member 5 moves back and forth plug-in unit 3 front and back.
Here, the conjugate foramen 27 of plug-in unit 3 as Fig. 1～shown in Figure 3, constitutes the plane of subtend abreast with the inner face of front and back, has some surpluses ground simultaneously the circular-arc outer peripheral face s in the copulational protuberance 26 is embedded between its inner plane.
Like this, because the inner plane of the conjugate foramen 27 of the elongated dihedral by plug-in unit 3, the circular-arc outer peripheral face s of the copulational protuberance 26 that extends abreast from front and back joint supporting along fulcrum p, so with Figure 24 of tabular tab engages with precedent relatively, the contact area of copulational protuberance 26 and conjugate foramen 27 inner planes is diminished, and the reduction resistance to sliding, can improve mechanical endurance in this junction.
And in the upper end of the circular-arc outer peripheral face s of copulational protuberance 26, the resin flows when being shaped in order to make is slick and sly and make just round circular arc, the protuberance 26a that extends about being formed with.Thus, the more approaching just round circular arc of circular-arc outer peripheral face s, so and the sliding stability of the conjugate foramen 27 of plug-in unit 3, and reduce friction.
In addition, in this embodiment, in order to ensure stable mechanical endurance, the rotating fulcrum p of movable member 5, as Fig. 2 and shown in Figure 5, when movable member 5 became the neutral condition of parallel neutral posture with respect to electromagnet component 4, the imaginary line L that the rotating fulcrum p that constitutes the center of copulational protuberance 26 at plug-in unit junction surface and movable member 5 is connected set the quadrature with respect to plug-in unit moving direction A for.
Like this, during neutral condition, set quadrature for owing to will constitute the imaginary line L that the rotating fulcrum p of the center of copulational protuberance 26 at plug-in unit junction surface and movable member 5 is connected with respect to plug-in unit moving direction A, so can make the circular motion direction (tangential direction of circular arc) of the copulational protuberance 26 of movable member 5 consistent with the linear movement direction of plug-in unit 3, can make movable member 5 from the above-below direction displacement of the copulational protuberance 26 of neutral condition when both forward and reverse directions rotates less than with precedent.
And, with movable member 5 with respect to the movable member in the neutral condition of 4 one-tenth parallel postures of electromagnet component 5 as and the center of the copulational protuberance 26 at the junction surface of plug-in unit 3, as shown in Figure 5, be set in the rotating fulcrum of movable member 5 centre position as the positive and negative rotation path on the imaginary circumference u at center.Thus, the neutral condition from movable member 5 becomes identical to positive direction and reciprocal rotational travel.
Also have, in neutral condition, the front of the iron plate 22 of movable member 5 becomes parallel with respect to the subtend face of the yoke 16 of electromagnet component 4.
Like this, in neutral condition, because the circular motion direction (tangential direction of circular arc) of the copulational protuberance 26 of movable member 5 is consistent with the linear movement direction of plug-in unit 3, so with comparing of Figure 24 with precedent, the displacement of the above-below direction of the copulational protuberance 26 in the time of can making movable member 5 positive and negative rotations diminishes, thus, can reduce the offset that between the plug-in unit 3 that the fore-and-aft direction straight line moves, produces.Thereby, can be suppressed at the generation of the uneven wear in the rotating fulcrum portion of the junction surface of movable member 5 and plug-in unit 3 and movable member 5, can guarantee stable mechanical endurance.
When setting rotating fulcrum P1 as described above, in the dimensions of former rotatable parts, from the fulcrum central axis direction, iron plate 22 and fulcrum 25 become repetition.At this, as Fig. 5 and shown in Figure 8, with the position of iron plate 22 back side subtends in, recessed processing fulcrum 25 by embed the back of iron plate 22 on the recess 31 of fulcrum 25, when iron plate 22 and fulcrum 25 are repeated, makes fulcrum about 25 connect ground and installs.
Also have, in this embodiment, owing to rotating fulcrum P, be that the central shaft of fulcrum 25 becomes the position that enters into the place ahead than the back side of iron plate 22 a little, the degree of depth with its inlet forms shallow ridges 32 at the back side of iron plate 22, and this shallow ridges 32 is engaged in the recess 31 of fulcrum 25, thus, will make semicircle because of the section shape at the fulcrum position of recessed otch, and guarantee the intensity of fulcrum 25.
Form shallow ridges 32, also indestructibility energy at iron plate 22 in this wise even confirmed.
In this embodiment, as shown in Figure 7 and Figure 8,,, be equipped with rivet pin 28, above-mentioned magnetic shield panel 24 be installed in rivet pin 28 and riveted and fixed by installing hole 29 by forging punch process from the back side at 2 positions up and down of iron plate 22.
Owing to forge from the back side of iron plate 22 like this and form rivet pin 28, so for example, hole that need connect before and after iron plate 22 forms and insert rivet pin as other part, and processing and assembly manipulation are good.
And then, constitute in this embodiment, shown in Figure 21 (a), magnetic shield panel 24 is near the centre of above-below direction, implement the bending machining of " ㄑ " word shape, and before riveted and fixed, float a little from iron plate 22 near the centre of above-below direction, thereby make that with magnetic shield panel 24 riveted and fixed during the end of magnetic shield panel 24 is not floated and is adjacent to reliably from iron plate 22 at iron plate 22.
If riveted and fixed under this state, then as Figure 21 (b) shown in, by the stress that applies at that time, the magnetic shield panel 24 of bending machining extends and is adjacent to along iron plate 22, can stably guarantee the magnetic screen interval thus.
This magnetic shield panel 24, as shown in Figure 4, movable member 5 turn to stroke when finishing, between iron plate 22 and the yoke 16, give desirable magnetic screen at interval, and set attraction characteristic, particularly attraction peak value as magnetic pole piece.
Former, owing to obtain magnetic screen at interval by resinous magnetic screen projection 48, so at interval easy deviation of magnetic screen, and, go out by beating of magnetic screen projection 48 along with repeatedly contact action, and magnetic screen diminishes at interval gradually easily, guarantees stably to wish that attraction peak value and attraction characteristic are difficult.Relative therewith, in the present embodiment, obtain magnetic screen at interval by the magnetic shield panel 24 that constitutes by nonmagnetic metal, therefore, magnetic screen deviation at interval is little, and, beating of causing by contacting repeatedly gone out and is difficult to take place, and can stably guarantee attraction characteristic, particularly attraction peak value.
And, in this embodiment,, be formed with edge part e in the outside of yoke 16 as Fig. 4 and shown in Figure 6, the front of magnetic shield panel 24 is contacted with this edge part e, therefore can stablize and guarantee that certain magnetic screen is at interval.
In addition, in this embodiment, when constituting the different electromagnetic relay of specification, because attraction characteristic difference under these circumstances, changes magnetic screen at interval by the different magnetic shield panel 24 of thickness is installed, and forms the attraction characteristic corresponding to specification.
At this moment, in order to prevent the combined error of magnetic shield panel 24, on magnetic shield panel 24, corresponding to the magnetic screen that obtains by installation at interval, be the difference of thickness, as illustrated in fig. 8, be formed with identification and use hole 30, consideration is by monitoring that with visual or optical pickocff this identification with the having or not of hole 30, its number, position etc., can prevent trouble before it happens the assembling of the magnetic shield panel beyond the necessary specification.
And, as other execution mode of the present utility model, as Figure 10 and shown in Figure 11, because at position to edge part e contact, use has the magnetic shield panel 24 as the bend 24e of the different steps of adjustment part, so in the corresponding magnetic screen of the attraction characteristic that does not obtain and wish at interval the time, shown in the part amplification profile of Figure 13, adjust all thickness H by the height h that adjusts step difference, can obtain the magnetic screen corresponding at interval with the attraction characteristic of wishing.
Here, Figure 14 is the figure of expression attraction characteristic, and transverse axis is represented stroke, and the longitudinal axis is represented attraction.
Switch in order to carry out stable contact, but be necessary and comprise the spring-load characteristic C1 of back-moving spring 12 or moving contacting plate 8,10 etc. between action attraction characteristic C2 and recovery attraction characteristic C3.But because the deviation of part, spring-load characteristic C1 is not between action attraction characteristic C2 and recovery attraction characteristic C3 sometimes.
In this case, the step difference height h of the bend 24a of the different steps by adjusting magnetic shield panel 24 changes magnetic screen at interval, and attraction peak value p2, the p3 of change attraction characteristic C2, C3, spring-load characteristic C1 is adjusted at action attraction characteristic C2 and restores between the attraction characteristic C3.If magnetic screen is broadened at interval, the attraction peak value reduces, if narrow down, then rises.And,, can adjust another attraction peak value p2 ', p3 ' by another magnetic shield panel 24 of a pair of up and down magnetic shield panel 24.
Like this, magnetic screen mainly is the attraction peak value of adjusting in the attraction characteristic at interval.
Therefore, in this embodiment, as shown in figure 15, the yoke 16 of processing electromagnet component 4, and adjust its length D, the characteristic inclination in the attraction characteristic of adjustment Figure 14.
Specifically, under the situation of the attraction characteristic that can not obtain wishing, cut off yoke 16 short, and characteristic inclination is relaxed.
The length adjustment of this yoke 16 corresponding to the attraction characteristic that is required, can be carried out for the both sides of a pair of yoke 16, also can only carry out for one of them yoke 16.
By the processing of this yoke 16 and the magnetic screen adjustment at interval of magnetic shield panel 24, can easily change and adjust the attraction characteristic, can be easily corresponding to the different electromagnetic relay of specification.
In addition, under the situation of the attraction characteristic that can not get wishing owing to part deviation etc., by the processing of yoke 16 and the magnetic screen adjustment at interval of magnetic shield panel 24, the attraction characteristic that also can obtain wishing thus.
(other execution mode)
Figure 22 is the front view of the movable member 5 of other execution mode of the utility model, and Figure 23 is the cutaway view along its A-A line.
As other execution mode of the present utility model, also can about resinous article body 21, whole the dashing forward in outside establish and implement the fulcrum 25 of movable member 5.Thus, compare,, can implement at an easy rate though mar proof is a little bit poorer with the situation of having assembled metal fulcrum 25.
The concrete structure at the junction surface of movable member 5 and plug-in unit 3 is not limited to above-mentioned execution mode, for example, also can be with having the plug-in unit junction surface of the tab formation movable member 5 of the ditch of side up, constitute the junction surface of plug-in unit 3 simultaneously with the cylinder shaft body of left and right directions, implement to the mode of this cylinder shaft body with the tab engages of the band ditch that makes movable member 5 from the below.
Also can constitute the copulational protuberance 26 of movable member 5 and mirror finish is carried out on its surface with metal.
In the above-described embodiment, be illustrated though be applicable to electromagnetic relay, solenoid actuated device of the present utility model is not limited to electromagnetic relay, can be applicable to contactor or brake etc.
In the above-described embodiment, though magnetic shield panel 24 is installed in iron plate 22 sides,, also can be installed in yoke 16 sides of electromagnet movable member 4 as other execution mode of the present utility model.
And magnetic shield panel 24 is not limited to phosphor bronze, can certainly use other nonmagnetic metal such as aluminium, copper, silver.
As other execution mode of the present utility model, also can on yoke 16, form projection, magnetic shield panel 24 is contacted with the edge part of this projection.
In addition, magnetic shield panel 24 can obtain certain magnetic screen at interval just, is not limited to above-mentioned shape certainly.
The utility model is useful for electromagnetic relay or brake etc.
Claims (18)
1, a kind of electromagnetic relay has electromagnet component, movable member, moving body and contact mechanism,
This electromagnet component has the iron core of being reeled by coil,
This movable member has the iron plate that is attracted, deviates from by the magnetic pole piece of this electromagnet component, and the excitatory and demagnetization by above-mentioned electromagnet component, is the positive and negative rotation in center with the rotating fulcrum,
This moving body engages with this movable member, and corresponding to above-mentioned positive and negative rotation, moves back and forth in rectilinear direction,
This contact mechanism is switched operation according to moving of this moving body,
It is characterized in that,
Be in the neutral condition of parallel posture with respect to above-mentioned electromagnet component at above-mentioned movable member, the imaginary line that connects the above-mentioned rotating fulcrum of the junction surface of above-mentioned movable member and above-mentioned moving body and above-mentioned movable member, with respect to the moving direction of above-mentioned moving body roughly quadrature mode and set.
2, electromagnetic relay as claimed in claim 1, it is characterized in that, with the above-mentioned junction surface of above-mentioned movable member and above-mentioned moving body, be set in above-mentioned rotating fulcrum with this movable member and be the roughly centre position of the above-mentioned positive and negative rotation path on the imaginary circumference at center.
3, electromagnetic relay as claimed in claim 1 or 2 is characterized in that, above-mentioned movable member is supported on the resinous base rotationally by metal fulcrum.
4, electromagnetic relay as claimed in claim 3, it is characterized in that, above-mentioned movable member is installed in above-mentioned iron plate on the resinous article body, simultaneously, with the metal above-mentioned fulcrum that interts at the pair of right and left axle support that is arranged at above-mentioned base, connect from the outstanding mode of above-mentioned article body with its two ends and to be installed on this article body, embed the subtend position of above-mentioned iron plate at the recess that is formed at above-mentioned fulcrum.
5, electromagnetic relay as claimed in claim 4 is characterized in that, the pair of right and left that is arranged at above-mentioned base the axle support inner face, be equipped with can with the rib of above-mentioned resinous article body sliding contact.
6, electromagnetic relay as claimed in claim 4, it is characterized in that, be arranged on the pair of right and left axle support of above-mentioned base, form the inserting hole of interspersed above-mentioned fulcrum, the outside of the above-mentioned axle support of above-mentioned inserting hole forms big footpath, and the inboard of the above-mentioned axle support of above-mentioned inserting hole is made into step and forms path.
7, electromagnetic relay as claimed in claim 4 is characterized in that, is formed with the ditch portion that cooperates with the recess of above-mentioned fulcrum on above-mentioned iron plate.
8, electromagnetic relay as claimed in claim 1 or 2, it is characterized in that, with the copulational protuberance that has circular-arc outer peripheral face and extend in parallel with above-mentioned fulcrum, constitute the junction surface of above-mentioned movable member and above-mentioned moving body, and on above-mentioned moving body, form conjugate foramen, between the inner plane of the subtend of this conjugate foramen, insert above-mentioned copulational protuberance.
9, electromagnetic relay as claimed in claim 1 or 2, it is characterized in that, in at least on any one of above-mentioned magnetic pole piece and above-mentioned iron plate, magnetic screen between the two when the magnetic shield panel that setting is made of nonmagnetic metal, this magnetic shield panel are used to be defined in above-mentioned iron plate and are attracted by above-mentioned magnetic pole piece at interval.
10, electromagnetic relay as claimed in claim 9 is characterized in that, above-mentioned magnetic shield panel with the mode of above-mentioned magnetic pole piece subtend, be installed on the above-mentioned iron plate of above-mentioned movable member, on above-mentioned magnetic pole piece, be formed with the edge part of above-mentioned magnetic shield panel contact.
11, electromagnetic relay as claimed in claim 10, it is characterized in that, above-mentioned magnetic shield panel has installing hole, by this installing hole by riveted and fixed on above-mentioned iron plate, above-mentioned magnetic shield panel is bent processing by above-mentioned riveted joint in the mode that is adjacent to above-mentioned iron plate.
12, electromagnetic relay as claimed in claim 9 is characterized in that, above-mentioned magnetic shield panel has adjusts above-mentioned magnetic screen adjustment part at interval.
13, electromagnetic relay as claimed in claim 12 is characterized in that, above-mentioned adjustment part is the bend of different steps that is arranged at the magnetic pole piece subtend position of above-mentioned magnetic shield panel.
14, electromagnetic relay as claimed in claim 9 is characterized in that, is formed with the identification that is used to discern its thickness and uses the hole on above-mentioned magnetic shield panel.
15, electromagnetic relay as claimed in claim 9 is characterized in that, as the yoke of above-mentioned magnetic pole piece, is processed to the length corresponding to the attraction characteristic corresponding with this electromagnetic relay specification.
16, a kind of solenoid actuated device has electromagnet component, movable member and moving body,
This electromagnet component has the iron core of being reeled by coil,
This movable member has the iron plate that is attracted, deviates from by the magnetic pole piece of this electromagnet component, and the excitatory and demagnetization by above-mentioned electromagnet component, is the positive and negative rotation in center with the rotating fulcrum,
This moving body engages with this movable member, and corresponding to above-mentioned positive and negative rotation, moves back and forth in rectilinear direction,
It is characterized in that,
Be in the neutral condition of parallel posture with respect to above-mentioned electromagnet component at above-mentioned movable member, the imaginary line that connects the above-mentioned rotating fulcrum of the junction surface of above-mentioned movable member and above-mentioned moving body and above-mentioned movable member, with respect to the moving direction of above-mentioned moving body roughly quadrature mode and set.
17, solenoid actuated device as claimed in claim 16 is characterized in that,
With the above-mentioned junction surface of above-mentioned movable member and above-mentioned moving body, be set in above-mentioned rotating fulcrum with this movable member and be the roughly centre position of the above-mentioned positive and negative rotation path on the imaginary circumference at center.
18, as claim 16 or 17 described solenoid actuated devices, it is characterized in that, in at least on any one of above-mentioned magnetic pole piece and above-mentioned iron plate, magnetic screen between the two when the magnetic shield panel that setting is made of nonmagnetic metal, this magnetic shield panel are used to be defined in above-mentioned iron plate and are absorbed by above-mentioned magnetic pole piece at interval.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003200588 | 2003-07-23 | ||
| JP2003200588 | 2003-07-23 | ||
| JP2004143270A JP3992015B2 (en) | 2003-07-23 | 2004-05-13 | Electromagnetic relay |
| JP2004143270 | 2004-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715327Y true CN2715327Y (en) | 2005-08-03 |
Family
ID=33100447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200659792U Expired - Lifetime CN2715327Y (en) | 2003-07-23 | 2004-07-22 | Electromagnet driving device and electromagnetic relay |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2715327Y (en) |
| DE (1) | DE202004011488U1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379581B (en) * | 2006-02-08 | 2011-04-13 | 欧姆龙株式会社 | Electromagnetic relay |
| CN103681117A (en) * | 2012-08-30 | 2014-03-26 | 亨斯特勒有限公司 | Relay having modified force-displacement characteristic curve |
| CN104221120A (en) * | 2012-03-30 | 2014-12-17 | 菲尼克斯电气公司 | Relay having two switches that can be actuated in opposite directions |
| CN105190814A (en) * | 2013-03-22 | 2015-12-23 | 泰科电子奥地利有限责任公司 | Lorentz force activated electric switching device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8222981B1 (en) * | 2011-01-18 | 2012-07-17 | Tyco Electronics Corporation | Electrical switching device |
| RU2649908C1 (en) * | 2017-06-06 | 2018-04-05 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ставропольский государственный аграрный университет" | Electromagnetic relay for batteries switching |
| RU189872U1 (en) * | 2019-03-25 | 2019-06-07 | Открытое акционерное общество "Объединенные электротехнические заводы" | Electromagnetic plug relay of railway automatics |
| RU2705796C1 (en) * | 2019-05-21 | 2019-11-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ставропольский государственный аграрный университет" | Electromagnetic relay for switching accumulator batteries from parallel to coupled parallel charging |
| US11501938B2 (en) * | 2019-07-09 | 2022-11-15 | Xiamen Hongfa Electroacoustic Co., Ltd. | Magnetic latching relay |
| CN114496616A (en) * | 2021-12-31 | 2022-05-13 | 厦门宏发电声股份有限公司 | Electromagnetic relay capable of preventing arc short circuit |
-
2004
- 2004-07-22 DE DE200420011488 patent/DE202004011488U1/en not_active Expired - Lifetime
- 2004-07-22 CN CNU2004200659792U patent/CN2715327Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379581B (en) * | 2006-02-08 | 2011-04-13 | 欧姆龙株式会社 | Electromagnetic relay |
| CN104221120A (en) * | 2012-03-30 | 2014-12-17 | 菲尼克斯电气公司 | Relay having two switches that can be actuated in opposite directions |
| CN104221120B (en) * | 2012-03-30 | 2016-08-17 | 菲尼克斯电气公司 | There is the relay of two switches that can reversely activate |
| CN103681117A (en) * | 2012-08-30 | 2014-03-26 | 亨斯特勒有限公司 | Relay having modified force-displacement characteristic curve |
| CN103681117B (en) * | 2012-08-30 | 2016-06-15 | 亨斯特勒有限公司 | There is the relay of the power-displacement characteristic curve that have adjusted |
| CN105190814A (en) * | 2013-03-22 | 2015-12-23 | 泰科电子奥地利有限责任公司 | Lorentz force activated electric switching device |
| US9715985B2 (en) | 2013-03-22 | 2017-07-25 | Tyco Electronics Austria Gmbh | Electric switch |
| CN105190814B (en) * | 2013-03-22 | 2018-06-05 | 泰科电子奥地利有限责任公司 | The electric switchgear of Lorentz force activation |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202004011488U1 (en) | 2004-09-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140722 Granted publication date: 20050803 |